EP1017596B1 - Carton and a handle therefor - Google Patents

Carton and a handle therefor Download PDF

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Publication number
EP1017596B1
EP1017596B1 EP98926439A EP98926439A EP1017596B1 EP 1017596 B1 EP1017596 B1 EP 1017596B1 EP 98926439 A EP98926439 A EP 98926439A EP 98926439 A EP98926439 A EP 98926439A EP 1017596 B1 EP1017596 B1 EP 1017596B1
Authority
EP
European Patent Office
Prior art keywords
carton
strip
opposed
notional
tear lines
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP98926439A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1017596A1 (en
Inventor
James T. Stout
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WestRock Packaging Systems LLC
Original Assignee
Mead Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mead Corp filed Critical Mead Corp
Publication of EP1017596A1 publication Critical patent/EP1017596A1/en
Application granted granted Critical
Publication of EP1017596B1 publication Critical patent/EP1017596B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/06—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers
    • B65D71/12—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank
    • B65D71/36—Packaging elements holding or encircling completely or almost completely the bundle of articles, e.g. wrappers the packaging elements, e.g. wrappers being formed by folding a single blank having a tubular shape, e.g. tubular wrappers, with end walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00129—Wrapper locking means
    • B65D2571/00216—Wrapper locking means non integral with the wrapper
    • B65D2571/00222—Adhesive members, e.g. tape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00333—Partitions, i.e. elements contacting a major part of each aarticle or extending across the whole length of the wrapper
    • B65D2571/00401—Partitions, i.e. elements contacting a major part of each aarticle or extending across the whole length of the wrapper inserted the wrapper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00432—Handles or suspending means
    • B65D2571/00456—Handles or suspending means integral with the wrapper
    • B65D2571/00469—Straps made between two handholes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00555—Wrapper opening devices
    • B65D2571/00561—Lines of weakness
    • B65D2571/00574—Lines of weakness whereby contents can still be carried after the line has been torn
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00648—Elements used to form the wrapper
    • B65D2571/00654—Blanks
    • B65D2571/0066—Blanks formed from one single sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2571/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans, pop bottles; Bales of material
    • B65D2571/00123—Bundling wrappers or trays
    • B65D2571/00709—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element
    • B65D2571/00722—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element tubular with end walls, e.g. walls not extending on the whole end surface
    • B65D2571/00728—Shape of the formed wrapper, i.e. shape of each formed element if the wrapper is made from more than one element tubular with end walls, e.g. walls not extending on the whole end surface the end walls being closed by gluing

Definitions

  • the present invention relates generally to paperboard cartons for use in packaging articles. It is particularly useful for cartons for packaging containers such as cans or bottles for beverages, although the invention is not limited in this regard. More particularly, the invention relates to a handle for such cartons.
  • Containers such as cans or bottles for beverages including soft drink, beer, juices and the like are commonly sold in multiple quantities packaged in a paperboard carton.
  • the carton is often provided with a handle, which quite commonly includes as a primary feature one or two slots or other apertures formed in the carton. These slots are commonly formed into a top all of the carton. The user inserts the hand or fingers into one or both of the slots to lift the canon. Many varieties of handles of this type are known in the art.
  • a carton formed from sheet material for holding articles such as cans or bottles comprising a top, a base, opposed side walls foldably connecting the top and base to form a tubular structure, opposed end walls connected to the tubular structure for closing the ends of the tubular structure and handle means formed in the top, the handle means comprising a handle strip extending between opposing end edges of the top panel defined in part by opposed tear lines struck from the top characterised in that the opposed tear lines are perforated and each extend between a proximal end adjacent a user part of the handle strip and the distal end defined by a termination point positioned proximate opposed corners of the top and in that at least one fold line provided in the top extends generally from the termination point towards the immediately adjacent corner of the top, the arrangement being such that when the carton is lifted by the handle means tearing of the perforated opposed tear lines causes a gradual transfer of stress to the at least one fold line and thence more evenly across the carton.
  • the handle means may be provided by a notional strip defined along the top, having notional side edges, and extending between the end edges of the top and having a width less than the distance between side edges of the top.
  • a reinforcing strip secured to an inner surface of the top, the reinforcing strip being disposed generally alongthe notional strip.
  • each of the tear lines may terminate at the termination point in a generally J-shaped cut extending away from the notional strip.
  • each one of the tear lines extending along an adjacent one of the notional side edges from substantially adjacent each end of each of the apertures toward a respective one of the top panel end edges but terminating at a termination point disposed remotely therefrom.
  • a plurality of score lines may be defined on the top panel to extend from each of the termination points toward the respective one of the corners, the score lines being arranged in a diverging arrangement toward the corner.
  • the user part may be defined by a pair of hand apertures, each having at least one aperture edge, defined in the top panel and disposed along opposite sides of the notional strip with at least a portion of the aperture edges disposed generally along the notional side edges.
  • a second aspect of the invention provides a blank for forming a carton for holding articles such as cans or bottles comprising a plurality of panels hingedly connected together for forming a top, a base, opposed side walls, opposed end wall panelsconnected to one or more of the plurality of panels and handle means formed in the top panel, the handle means comprising a handle strip extending between opposing edges of the top panel defined in part by opposed tear lines struck from the top characterised in that the opposed tear lines are perforated and extend between a proximal end adjacent a user part of the handle strip and the distal end defined by a termination point positioned proximate opposed corners of the top and in that at least one fold line provided in the top extends generally from the termination point towards the immediately adjacent corner of the top, the arrangement being such that when the blank is in a set up condition, the carton is lifted by the handle means tearing of the perforated opposed tear lines causes a gradual transfer of stress to the at least one fold line and thence more evenly across the carton.
  • each of the tear lines may terminate at the termination point in a generally J-shaped cut extending away from the notional strip.
  • the user part may be defined by a pair of hand apertures, each having at least one aperture edge, defined in the top panel and disposed along opposite sides of the notional strip with at least a portion of the aperture edges disposed generally along the notional side edges.
  • the at least one tear line may comprise a perforated line.
  • a carton 10 for use in connection with the present invention may be seen in blank form by reference to Fig. 1, in which the inner surface of the blank is shown.
  • the carton includes a top wall panel 12 connected to a side wall panel 14 along fold line 16.
  • a bottom wall panel 18 is connected to side wall panel 14 along fold line 20, and at its opposite side is connected to side wall panel 22 along fold line 24.
  • a major end flap 30 is connected at one end edge of top wall panel 12 along fold line 32, while a second major end panel 34 is connected at the opposite end of top wall panel 12 along fold line 36.
  • a glue flap 38 is connected to top wall panel 12 along fold line 40.
  • Side wall panel 14 includes a removable access panel 62 defined by a perforated tear line 63. Connected at one end edge of side wall panel 14 along fold line 64 is a minor end flap 65, and connected by a fold line 66 at an opposite end edge is minor end flap 67.
  • Bottom wall panel 18 has a major end flap 68 connected along fold line 70 at one end edge thereof, while a second major end flap 72 is connected at an opposite end edge along fold line 74.
  • side wall panel 22 includes a minor end flap 76 connected at one end edge along fold line 78, and a minor end flap 80 connected along fold line 82 at the opposite end edge.
  • Top wall panel 12 includes a pair of hand apertures 26 and 27 for forming a portion of a handle structure for the carton. These apertures are generally oval, each having an inner edge 28. These apertures and other portions of the handle structure are discussed in greater detail below.
  • a handle reinforcing structure in accordance with the present invention is connected to each of major end flaps 30 and 34, and comprises end portion 42 connected to major end flap 30 along fold line 44, and end portion 46 connected to major end flap 34 along fold line 48.
  • a central portion 50 interconnects end portions 42 and 46. Central portion 50 is positioned adjacent to glue flap 38, separated therefrom along a cut line 54.
  • Glue flap 38 includes end flap 56 which extends into end portion 42, and end flap 58 which extends into end portion 46.
  • End portions 42 and 46 are connected to the central portion 50 of the reinforcing strip along fold lines 59 which are debossed so as to protrude inwardly of the erected carton. These debossed areas mate with an area along respective ones of fold lines 32 and 36 which are encased by torque relief slits 60 to thereby reduce tension along the outer surfaces of the fold lines between top wall panel 12 and major end flaps 30 and 34. Further details regarding this structure may be found by reference to U.S. Patent No. 5,320,277, which is incorporated herein by reference.
  • An additional reinforcing strip may optionally be added to the handle reinforcing structure, disposed between central portion 50 and glue flap 38.
  • Such a reinforcing structure may be seen in U.S. Pat. No. 5,482,203, which is incorporated herein by reference.
  • FIG. 2 a portion of the blank for carton 10 can be seen, showing the beginning of the assembly process for the carton.
  • the handle reinforcing structure is folded about fold lines 44 and 48, and end portions 42 and 46 are glued to major end panels 30 and 34, respectively.
  • Central portion 50 is glued to top wall panel 12, so as to extend along the region between the hand apertures 26 and 27.
  • a double-ply reinforced structure between the apertures 26 and 27 is formed.
  • a notional strip can be defined along central panel 12, extending between its end edges. This notional strip passes between the hand apertures 26 and 27, with its edges aligned with the inner edges 28 of apertures 26 and 27.
  • FIG. 3 the top wall panel 12 is shown folded along fold line 16 into overlapping arrangement with side wall panel 14. Glue is applied along glue flap 38 and, as shown in Fig. 4, side wall panel 22 is folded along fold line 24. The upper edge of side wall panel 22 is then adhered to glue flap 38 to complete the collapsed carton.
  • the carton is loaded as shown in Fig. 5.
  • the carton is erected into a tubular structure.
  • the carton 10 is shown with its end closure structure, comprising major end flaps 30 and 68 and minor end flaps 65 and 76, open prior to the application of glue for sealing.
  • the carton is loaded, as shown here for example, with beverage cans arranged into two tiers.
  • a divider insert 90 is positioned between the tiers.
  • Cans C1 of the upper tier are positioned on insert 90, which in turn rests upon the tops of the cans C2 of the lower tier.
  • Cans C2 are in turn positioned on the bottom wall panel 18 of the carton 10.
  • the can arrangement as is conventional, is assembled prior to loading, and the stacked and arranged cans are loaded by pushing into the carton tube through one or both of its open ends. Such operation may be carried out by suitable, commercially-available automated packaging machinery.
  • Closure and sealing of the end closure structure is effected in the following manner.
  • Minor end flaps 65 and 76 are folded to a closed position against the packaged cans.
  • Glue is applied to minor end flaps 65 and 76 and, preferably, to end flap 94 attached along a fold line to the edge of insert 90.
  • Major end flap 30 is then folded downwardly and secured to the flaps 65, 76 and 94.
  • Additional glue is applied to the outer end of the inner surface of major end flap 68, which is folded upwardly and sealed to major end flap 30.
  • An identical operation is carried out to close and seal end closure structure located at the opposite end of the carton.
  • the carton is loaded from one end only using automated packaging machinery. During such a loading operation, The opposite, non-loaded carton end is closed and sealed before the cans are pushed into the carton.
  • the loaded and sealed carton may be seen by reference to Fig. 6.
  • the handle arrangement formed on panel 12 may be seen in greater detail by reference to Fig. 7.
  • a cushion flap 96 is disposed along the inner edge 28 of aperture 26, connected to panel 12 by fold line 98.
  • a similar cushion flap 100 is connected to panel 12 by fold line 102. It will be recognized that in the completed carton, the fold lines 98 and 102 will lie substantially along the side edges of the underlying central portion 50 of the reinforcing strip.
  • a plurality of preformed, perforated tear lines 104, 106, 108 and 110 extend from the apertures 26 and 27 along a line defined by the edge of the underlying central portion 50 of the reinforcing strip, or in other words, by the inner edge 28 of the adjacent aperture.
  • Each tear line 104, 106, 108 and 110 extends away from the respective aperture 26 or 27 and toward the end edge of top panel 12.
  • the tear line then terminates, remote from the end edge of panel 12, in a "J"-shaped cut 112 which turns away from the central portion of panel 12 and generally back towards the hand apertures 26 and 27.
  • a plurality of stress-diverting score lines 114 are formed into panel 12 to extend from each J-shaped cut 112 at the end of a tear line toward the respective corner of top wall panel 12, in a manner similar to that taught in U.S. Patent No. 5,307,932, which is incorporated herein by reference.
  • one group of score lines extend in diverging fashion from a point adjacent the end of tear line 104 generally toward the corner of panel 12 adjacent end flap 34 and side panel 14.
  • a cut line 116 extends diagonally across the corner, at which the group of score lines 114 terminates. Similar groups of score lines extend from adjacent the ends of tear lines 106, 108 and 110 toward the respective corners of top panel 12.
  • a user In use, when lifting the loaded carton for the first time, a user inserts the hand and/or fingers into one or both of the apertures 26 and 27 and grasps the portion of panel 12 therebetween. The user then lifts the carton. The weight of the carton causes tear lines 104, 106, 108 and 110 to tear until the tearing is stopped by the J-shaped cuts 112. Further lifting deflects the tearing stress from the lines 104, 106, 108 and 110 and along score lines 114 toward the corners of top panel 12. This effectively converts tearing stress in the handle region to tensile stress along the score lines 114.
  • tear lines 104, 106, 108 and 110 perform best when they extend into panel 12 and away from apertures 26 and 27 to a distance from approximately 20% to 60% of the distance from the edge of the aperture to the end edge of panel 12. More preferably, this distance may be within the range of 30% to 50%, and most preferably may be about 35% to 40%.
  • the handle structure may also be used with a carton for packaging only a single tier of cans, or for a carton for packaging bottles, jars or other containers or articles.
  • the containers may be oriented vertically, as described herein, or horizontally.
  • handle reinforcing means other than that described herein may be used with the disclosed handle.
  • a lapped top panel of a type generally known in the art may be used.
  • the overlap between the two top panel portions forms a double-ply strip which extends down the center of the carton top wall.
  • An example of a carton of this type may be seen in U.S. Patent No. 5,427,242, which is incorporated herein by reference.
  • the handle structure is formed into the lapped top panel in the same manner as the handle structure described herein, as will be readily appreciated by those skilled in the art.
  • the tear lines 104, 106, 108 and 110 are formed to extend along the edges of the lapped portion.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Packages (AREA)
EP98926439A 1997-06-10 1998-06-08 Carton and a handle therefor Expired - Lifetime EP1017596B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/871,927 US5826782A (en) 1997-06-10 1997-06-10 Carton and a handle therefor
US871927 1997-06-10
PCT/US1998/011860 WO1998056681A1 (en) 1997-06-10 1998-06-08 Carton and a handle therefor

Publications (2)

Publication Number Publication Date
EP1017596A1 EP1017596A1 (en) 2000-07-12
EP1017596B1 true EP1017596B1 (en) 2002-10-09

Family

ID=25358463

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98926439A Expired - Lifetime EP1017596B1 (en) 1997-06-10 1998-06-08 Carton and a handle therefor

Country Status (15)

Country Link
US (1) US5826782A (pt)
EP (1) EP1017596B1 (pt)
AR (1) AR012246A1 (pt)
AT (1) ATE225747T1 (pt)
AU (1) AU729299C (pt)
BR (1) BR9810011A (pt)
CA (1) CA2294079C (pt)
DE (1) DE69808660T2 (pt)
DK (1) DK1017596T3 (pt)
ES (1) ES2185170T3 (pt)
NZ (1) NZ501908A (pt)
PT (1) PT1017596E (pt)
TW (1) TW357130B (pt)
WO (1) WO1998056681A1 (pt)
ZA (1) ZA984946B (pt)

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US6273330B1 (en) 2000-04-06 2001-08-14 The Mead Corporation Carton with transverse strap handle
US6227367B1 (en) * 2000-06-09 2001-05-08 Riverwood International Corporation Fully enclosed carton with diamond corner panels
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MX2021011805A (es) * 2019-03-27 2022-01-24 Westrock Packaging Systems Llc Caja de carton y plantilla para caja de carton.
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Also Published As

Publication number Publication date
ZA984946B (en) 1999-01-04
ES2185170T3 (es) 2003-04-16
DE69808660T2 (de) 2003-06-26
CA2294079A1 (en) 1998-12-17
EP1017596A1 (en) 2000-07-12
AR012246A1 (es) 2000-09-27
AU729299B2 (en) 2001-02-01
AU729299C (en) 2001-10-11
DE69808660D1 (de) 2002-11-14
PT1017596E (pt) 2002-12-31
ATE225747T1 (de) 2002-10-15
US5826782A (en) 1998-10-27
CA2294079C (en) 2004-12-14
BR9810011A (pt) 2002-09-24
TW357130B (en) 1999-05-01
WO1998056681A1 (en) 1998-12-17
DK1017596T3 (da) 2003-01-27
AU7827898A (en) 1998-12-30
NZ501908A (en) 2001-11-30

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